claystone: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “claystone” mean?
A fine-grained sedimentary rock composed primarily of clay minerals.
Audio
Pronunciation
Definition
Meaning and Definition
A fine-grained sedimentary rock composed primarily of clay minerals.
A compact, non-fissile rock formed from the lithification of clay, often used in geology and construction contexts.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; usage is identical in geological terminology.
Connotations
Neutral technical term in both varieties.
Frequency
Equally low frequency in both UK and US English, confined to geological and related technical fields.
Grammar
How to Use “claystone” in a Sentence
[claystone] + [verb: forms, underlies, contains][adjective] + [claystone][claystone] + [preposition: of, with]Vocabulary
Collocations
Examples
Examples of “claystone” in a Sentence
adjective
British English
- The claystone layer is impermeable.
- Claystone artefacts were found at the site.
American English
- The claystone layer is impermeable.
- Claystone artifacts were found at the site.
Usage
Meaning in Context
Business
Rare, except in mining, quarrying, or construction materials sectors.
Academic
Common in geology, earth science, and archaeology papers.
Everyday
Virtually never used.
Technical
Standard term in geological descriptions, engineering geology, and soil mechanics.
Vocabulary
Synonyms of “claystone”
Neutral
Weak
Vocabulary
Antonyms of “claystone”
Watch out
Common Mistakes When Using “claystone”
- Confusing with 'shale' (shale is fissile).
- Using as a general term for any clay-rich material.
- Misspelling as 'clay stone' (should be one word or hyphenated).
FAQ
Frequently Asked Questions
No. Both are fine-grained sedimentary rocks, but shale is fissile (splits into thin layers), while claystone is massive and non-fissile.
Almost exclusively in geological, engineering, and archaeological contexts. It is not a word used in everyday conversation.
Yes, historically and in some regions, it has been used as a construction stone, though its durability can vary with weathering.
Mudstone is a broader term for a fine-grained sedimentary rock composed of silt and clay. Claystone is a type of mudstone where clay-sized particles dominate (>2/3).
A fine-grained sedimentary rock composed primarily of clay minerals.
Claystone is usually technical/scientific in register.
Claystone: in British English it is pronounced /ˈkleɪstəʊn/, and in American English it is pronounced /ˈkleɪstoʊn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of CLAY turned to STONE – a stone made from hardened clay.
Conceptual Metaphor
SOLIDIFIED HISTORY (as it represents compacted, ancient sediment).
Practice
Quiz
What is the primary distinguishing feature of claystone compared to shale?